GH

Guenter E. Hagedorn

NT Nicollet Technologies: 3 patents #1 of 4Top 25%
Overall (All Time): #1,667,359 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
4930153 PBX voice mail interface — 1990-05-29
4914690 Universal PBX interface — 1990-04-03
4843620 Hand-held telephone line signaling test instrument — 1989-06-27